Abstract
Pretilt angle effect on the dark-state light leakage and viewing angle
of in-plane switching (IPS) liquid crystal display is investigated. As the
liquid crystal (LC) pretilt angle increases, the light leakage becomes more
severe and the off-axis light leakage from the out-of-plane LC directors cannot
be neglected. Introducing an oblique compensation plate (O-plate) reduces
the off-axis light leakages from the crossed linear polarizers and the anisotropic
LC media simultaneously which, in turn, improves the viewing angle of the
IPS LCD.
© 2006 IEEE
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